Do you mean that the two domains share a network, or that the two networks use the same IP addressing?

Webb, Brian (Corp) wrote:
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The problem is the subnet already exists in both domains...
-Brian

------------------------------------------------------------------------
*From:* Michael B. Smith [mailto:[EMAIL PROTECTED]
*Sent:* Tuesday, October 21, 2008 11:49 AM
*To:* NT System Admin Issues
*Subject:* RE: DNS Reverse lookup question

You can use a stub domain or a forwarding domain.

Regards,

Michael B. Smith, MCITP:SA,EMA/MCSE/Exchange MVP

My blog: http://TheEssentialExchange.com/blogs/michael

Link with me at: http://www.linkedin.com/in/theessentialexchange

*From:* Webb, Brian (Corp) [mailto:[EMAIL PROTECTED]
*Sent:* Tuesday, October 21, 2008 12:47 PM
*To:* NT System Admin Issues
*Subject:* DNS Reverse lookup question

Here is the situation:

1 IP range has servers from 2 different domains

DNS servers (AD integrated) for each domain have entries for the servers in that domain

If I do a reverse lookup from a machine that is pointed to the "right" DNS server it works, otherwise I get a non-existent domain. Hw do you solve this? Do you manually put in PTR records for all the servers in the opposite domain?

Example:

Server1.corp.local is at 10.1.1.10

Server2.division.local is at 10.1.1.20

Client1.corp.local is at 10.100.100.100 with DNS server pointed to DNSserver.corp.local

Client2.division.local is at 10.200.200.200 with DNS server pointed to DNSserver.division.local

nslookup from client1 for 10.1.1.10 returns Server1

nslookup from client1 for 10.1.1.20 returns non-existent domain

nslookup from Client2 for 10.1.1.10 returns non-existent domain

nslookup from Client2 for 10.1.1.20 returns Server2

nslookup by name (forward lookup) works everywhere.

Brian Webb - MCSE
TDS Corporate IS, Windows Server Platform Team
Senior Systems Administrator

"When stuck on a problem as often can be, try to remember G.B.T.T.D. (Go Back To The Definition)". - Dave Seybold



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